In SNMP to informs the manager about rebooting operation the following command can be used O Get and MGET No option is correct SNMP manager receive Trap. Get request SNMP manager Trap.
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- Q1) How many RTTs are there from when a client first contacts an email server (by initiating a TCP session) to when the client can begin sending the email message itself - that is following all initial TCP or SMTP handshaking required? Recall the figure below from our class notes: "client" SMTP server initiate TCP connection RTT TCP connection initiated SMTP handshaking SMTP transfers "server" SMTP server time 220 HELO 250 HelloMetric is used to choose between multiple paths learned via the different protocols True False is the interface that allow you to include an IP subnet in the routing protocol without sending updates out of the interface * O Loopback interface Passive interface Physical Interface Ethernet interface In Equal Cost Multi Path, If you have one particular host that is talking to a web server, its traffic for that flow will be divided between routers. * False TrueRefer the configuration below, IT Router is configured as follows: IT (config)#enable secret cisco IT (config)#line con 0 IT (config-line)#password class IT (config-line)#login IT (config-line)#exit IT(config)#interface vty 0 15 IT (config-line)#password class IT (config-line)#no shutdown IT (config-line)#end IT#copy run start From the above configuration, identify the mistakes or missing in the configuration and write the correct commands.
- The scenario includes one DHCP server in an Active Directory domain. The server is configured to provide IP addresses to DHCP clients on two different subnets. The subnets are separated by a router that has DHCP Forwarding enabled. In this scenario, you use ten of the excluded IP addresses to configure servers and other devices with static IP addresses and five additional IP addresses are left available for static configuration of new devices that you might want to add in the future. Write up the Powershell script for the following according to scenario IP configuration: Installing DHCP role (DHCP1) Creating DHCP security group (your Arid Number) in DHCP1 Note: Security Group should create with your arid number. Authorizing the DHCP1server in DC1 How to getClient4 adapter hardware information Disable and Enable a Network Adapter of Client41 IntroductionThe objective of this project is to learn TCP client-server interaction using a socket interface in C programming language. After completing this Project, you will have a basic understanding of the steps required todevelop a networking application. 2 Project SpecificationIn this project, you are required to do socket programming in C language (Linux environment) to implementa pair of client and server that can achieve simple password verification to indicate the current market valueof the stock. Your client will send a pair of username and password to your server and your server willverify whether the pair of username and password is legitimate or not for retrieving the stock value. Assumethe only legitimate pairs of usernames and passwords that will be accepted by your server are as follows. Username Password StockValuelcid welpa23e 13.93mrvl ghqwo31a 41.23snap tyjli14d 10.21cl1 rjwqe83f 85.09bro gnmds28z 56.43cvs rhktl87c 91.34…Suppose a firewall is configured to allow outbound TCP connections but inbound connections only to specified ports. The FTP protocol now presents a problem: When an inside client contacts an outside server, the outbound TCP control connection can be opened normally but the TCP data connection traditionally is inbound. (a) Look up the FTP protocol in, for example, Request for Comments 959. Find out how the PORT command works. Discuss how the client might be written so as to limit the number of ports to which the firewall must grant inbound access. Can the number of such ports be limited to one? (b) Find out how the FTP PASV command can be used to solve this firewall problem.
- In IEEE 802.11, two-way communication is used to authenticate an open system. In order to authenticate the client, the server must give the station ID (typically the MAC address). Response to the client's previous request is either a successful or failed authentication response from the access point/router. An error may arise if, for example, an AP/router configuration does not include the client's MAC address.In what ways is it advantageous to use this kind of authentication scheme?In what ways does this authentication technique have security vulnerabilities that might be mitigated?A socket is one endpoint of a two-way communication link between two programs running on the network. A socket is bound to a port number so that the TCP layer can identify the application that data is destined to be sent to. An endpoint is a combination of an IP address and a port number.Discuss about the different types of socket calls using in TCP &UDP.When a client wishes to establish a connection to an object that is reachable only via a firewall, it must open a TCP connection to the appropriate SOCKS port on the SOCKS server system. Even if the client wishes to send UDP segments, first a TCP connection is opened. Moreover, UDP segments can be forwarded only as long as the TCP connection remains opened. Why?
- This Chain applies for all packets that are addressed to the firewall INPUT OUTPUT FORWARD This chain applies for all packets originating from firewall and going out of the server O INPUT ⒸOUTPUT FORWARD This chain applies for all packets passing through the firewall from other hosts on the network. The host with iptables is neither the source nor destination of the packet: mainly used to route packets through the machines on the network. INPUT OUTPUT Ⓒ FORWARD This jump target does not respond to a packet at all and does nothing with the packet. It an attack sends a packet. they would not get any response. ODROP ⒸREJECT This jump target responds with an ICMP Destination Unreachable back to the source. This indicates that a server exists, which is beneficial for troubleshooting and for attackers. DROP O REJECTAssume that PAP authentication is configured between R1 and R2. The IT Admin reported that there is a problem with the connection establishment. What could be the problem? Username: R2 Password: R2-123456 R1 Sent username: R2 Sent Password R2-123456 The provided configuration is considered for CHAP There is no need to send usernames and password. Sent usernames and passwords must be swapped Username and password in the database must be swapped Se 0/0/0 Username: R1 Password: R1-123456 R2 Sent username: R1 Sent Password R1-123456 Se 0/0/0Your host in this example has IP address 172.16.1.1. Someone tries to send e-mail from a remote host with IP address 192.168.3.4. If successful, this will generate an SMTP dialogue, consisting of SMTP commands and mail, between the remote user and the SMTP server on your host. Assume that a user on your host tries to send packets for this scenario as shown: Scenario Direction Src Addr Dest Addr Protocol Dest Port Action 1 2 In Out 192.168.3.4 172.16.1.1 172.16.1.1 192.168.3.4 Indicate which packets are permitted or de TCP TCP 25 1234 ? ? and which rule is used in each case.